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All of your questions have been answered! You have 7 posts but have already made three threads! use the search button, if you legitimately can't find any info then ask!
Test loads go in series with the driver so...
+....test load....-
|....................|
|....................|
+.....Driver ..... -
|....................|
|....................|
+ power source -
BTW ... is empty space!
If you build it your self, you will have differnet number of diodes attached (electrical diodes not laser diodes)... these determine the drop off voltage. for example a PHR blu-ray will have 6 x 1N400x diodes attached where as a red will only have 4 x 1N400x attached. Other test dummies like the rkcstr test dummys have a switch for use of a blu-ray diode or a red.. the more accurately the drop off voltage matches the forward voltage of a real diode, the better accuracey of expected current going through the real laser diode!
hope that made sense... -Adrian
Just make an universal variable one, like mine
..... i know, i know, i'm crazy :eg: :crackup: .....
No, there's a reason for this, i already lost 4 or 5 of the ones made "on-the-fly" soldering components in air, so some times ago i decided to build a more decent one, and see how much time i need for lost also it, following the theory that, more time you needed for build it, more you are unconsciously driven to take care of it ..... well, this theory must have at least something right in it, cause are more than 6 months that i made this one, and still have not lost it ..... (yet )